WO2012027452A1 - Interface de dispositif et appareil - Google Patents

Interface de dispositif et appareil Download PDF

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Publication number
WO2012027452A1
WO2012027452A1 PCT/US2011/048937 US2011048937W WO2012027452A1 WO 2012027452 A1 WO2012027452 A1 WO 2012027452A1 US 2011048937 W US2011048937 W US 2011048937W WO 2012027452 A1 WO2012027452 A1 WO 2012027452A1
Authority
WO
WIPO (PCT)
Prior art keywords
connector
pins
transmit
receive
power supply
Prior art date
Application number
PCT/US2011/048937
Other languages
English (en)
Inventor
Eitan Medina
Original Assignee
Marvell World Trade Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Marvell World Trade Ltd. filed Critical Marvell World Trade Ltd.
Priority to CN201180040934.2A priority Critical patent/CN103069404B/zh
Priority to EP11754788.5A priority patent/EP2609513A1/fr
Priority to JP2013526126A priority patent/JP5812502B2/ja
Priority to KR1020137007066A priority patent/KR101861788B1/ko
Publication of WO2012027452A1 publication Critical patent/WO2012027452A1/fr

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38—Information transfer, e.g. on bus
    • G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
    • G06F13/4247—Bus transfer protocol, e.g. handshake; Synchronisation on a daisy chain bus
    • G06F13/426—Bus transfer protocol, e.g. handshake; Synchronisation on a daisy chain bus using an embedded synchronisation, e.g. Firewire bus, Fibre Channel bus, SSA bus
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/266—Arrangements to supply power to external peripherals either directly from the computer or under computer control, e.g. supply of power through the communication port, computer controlled power-strips
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38—Information transfer, e.g. on bus
    • G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation

Definitions

  • the present disclosure relates generally to mobile devices and more particularly an interface and apparatus for mobile devices.
  • Mobile devices e.g., cellular phones, notebook computers, tablets, etc.
  • Mobile devices are typically compact in size and battery-powered. Due to the constraints on physical size, weight, and battery capacity of these devices, the number of input/output interfaces and networking interfaces that can be incorporated in these devices are also generally limited.
  • a first device includes a battery, a first connector, a charging module, a sensing module, and a communication module.
  • the first connector is configured to connect the first device to a second device.
  • the first connector includes a power supply pin, a ground pin, two transmit pins, and two receive pins.
  • the charging module is configured to receive power from the second device via the power supply pin and the ground pin to charge the battery and to supply power from the battery to the second device via the power supply pin and the ground pin.
  • the sensing module is configured to sense the power supply pin and the ground pin of the first connector, and based on the sensing, to detect when the first device (i) connects to the second device via the first connector and (ii) disconnects from the second device.
  • the communication module is configured to transmit data to the second device via the two transmit pins using a Peripheral Component Interconnect Express protocol and to receive data from the second device via the two receive pins using the Peripheral Component Interconnect Express protocol.
  • a first device includes a battery, a first connector, a charging module, and a communication module.
  • the first connector is configured to connect the first device to a second device.
  • the first connector includes a power supply pin, a ground pin, two transmit pins, and two receive pins.
  • the charging module is configured to receive power from the second device via the power supply pin and the ground pin to charge the battery, and to supply power from the battery to the second device via the power supply pin and the ground pin.
  • the communication module is configured to transmit data to the second device via the two transmit pins and to receive data from the second device via the two receive pins.
  • a system includes a first device having a first connector and a second device having a second connector.
  • Each of the first connector and the second connector consist of a power supply pin, a ground pin, two transmit pins, and two receive pins.
  • the first device is configured to receive power from the second device via the power supply pin and the ground pin of the first connector to charge a battery of the first device, to supply power to the second device via the power supply pin and the ground pin of the first connector, to transmit data to the second device via the two transmit pins of the first connector, and to receive data from the second device via the two receive pins of the first connector.
  • FIG. 1 is a functional block diagram of a system including a mobile device and a remote device connected via connectors according to the present disclosure
  • FIG. 2 is a functional block diagram of a physical layer (PHY) module of the mobile device and a connector according to the present disclosure
  • FIG. 3A is a functional block diagram of transmit module according to the present disclosure.
  • FIG. 3B is a functional block diagram of receive module according to the present disclosure.
  • FIGs. 4A-4C depict different configurations of a connector according to the present disclosure.
  • the connector includes a Universal Serial Bus (USB) connector or a Personal Computer Memory Card International Association (PCMCIA) connector.
  • USB Universal Serial Bus
  • PCMCIA Personal Computer Memory Card International Association
  • the connector can be used to charge the mobile device when the mobile device is plugged into a charging station. Additionally, the connector can be used to connect the mobile device to a docking station to augment functionality of the mobile device.
  • the present disclosure relates to an interface for a mobile device, which includes a connector having a low-pin count (also referred to herein as "low pin- count connector”) to connect the mobile device to a variety of devices including charging stations, dockings stations, and so on.
  • the low pin-count connector can be used to charge a battery of the mobile device. Additionally, the mobile device can use the low pin-count connector to communicate with a remote device.
  • the low pin-count connector includes a maximum of 6-pins to provide all the functionalities as described in greater detail below. In another embodiment, the low pin-count connector includes at least 6-pins as described in greater detail below.
  • the connector includes at least two power pins, two transmit pins, and two receive pins.
  • the two transmit pins include a power supply pin (e.g., Vcc) and a ground pin (e.g., GND).
  • the two transmit pins include differential transmit pins TX+ and TX-.
  • the two receive pins include differential receive pins RX+ and RX-.
  • the connector can be used to connect the mobile device to a remote device, which may include a charging station, a docking station, a laptop computer, etc.
  • a remote device which may include a charging station, a docking station, a laptop computer, etc.
  • the mobile device can receive power from the charging station via the two power pins (Vcc and GND) to charge the battery of the mobile device.
  • the mobile device when the mobile device is connected to the remote device via the connector, the mobile device can supply power from the battery of the mobile device to the remote device via the two power pins (Vcc and GND).
  • the mobile device and/or the remote device can detect connection and disconnection between the mobile device and the remote device by sensing the two power pins (Vcc and GND) of the connector. Accordingly, the mobile device and/or the remote device can detect connection and disconnection between the mobile device and the remote device without using any additional pins.
  • the mobile device can communicate with the remote device via the connector as follows.
  • the mobile device can transmit data to the remote device via the two transmit pins (TX+ and TX-) using Peripheral Component Interconnect Express (PCIe) protocol.
  • PCIe Peripheral Component Interconnect Express
  • the mobile device can receive data from the remote device via the two receive pins (RX+ and RX-) using the PCIe protocol.
  • the mobile device and the remote device can communicate in full duplex mode via the two transmit pins (TX+ and TX-) and the two receive pins (RX+ and RX-) using the PCIe protocol.
  • the connector includes only two transmit pins and two receive pins, as described above. In such an embodiment, however, a mobile device can still receive power (or supply power) via one or more pins of the two transmit pins and the two receive pins. In one embodiment, the power is received or supplied during times that communication is not occurring over the one or more pins.
  • the mobile device 102 can communicate with a wireless network.
  • the mobile device 102 can be a cellular phone that can communicate with a cellular network.
  • the mobile device 102 can be a network device (e.g., a client station) that that can communicate with a wireless network (e.g., a WiFi network) and optionally with a cellular network.
  • the mobile device 102 can be a tablet that can communicate with a wireless network.
  • the remote device 104 can be a charging station, a docking station, a laptop computer, an MP3 player, etc.
  • the mobile device 102 can be powered using an adapter that plugs into a wall outlet. Additionally, the mobile device can be powered using a battery 106.
  • the remote device 104 may also be powered using an adapter that plugs into a wall outlet and/or using a battery 108.
  • the mobile device 102 includes a medium access control (MAC) module 110, a physical layer (PHY) module 112, and a connector 114.
  • the remote device 104 also includes a connector 116 and a PHY module 118.
  • the connector 116 of the remote device 104 is similar to the connector 114 of the mobile device.
  • the connector 114 of the mobile device 102 plugs into the connector 116 of the remote device 104.
  • the connector 114 can be a male type connector when the connector 116 is a female type connector, and vice versa.
  • the connectors 114, 116 can be edge-type male/female connectors, and so on.
  • the MAC module 110 controls the access of the mobile device 102 to a network medium (e.g., air).
  • the PHY module 112 interfaces the mobile device 102 to the network medium.
  • the PHY module 112 includes a suitable network interface or interfaces (e.g., a cellular network interface, a WiFi network interface, etc. (not shown)) to interface the mobile device 102 to one or more networks.
  • the mobile device 102 can include one or more antennas (not shown).
  • the PHY module 112 is connected to the connector 114.
  • the PHY module 112 can receive power from the remote device 104 via the connectors 114, 116 to charge the battery 106 of the mobile device 102.
  • the PHY module 112 can supply power from the battery 106 of the mobile device 102 to the remote device 104 via the connectors 114, 116.
  • the remote device 104 can use the power received from the mobile device 102 to charge the battery 108 of the remote device 104.
  • the mobile device 102 and the remote device 104 can communicate via the connectors 114, 116.
  • the PHY module 112 can transmit data to the remote device 104 via the connectors 114, 116.
  • the PHY module 112 can receive data from the remote device 104 the connectors 114, 116.
  • the PHY module 112 uses the Peripheral Component Interconnect Express (PCIe) protocol to transmit and receive data.
  • PCIe Peripheral Component Interconnect Express
  • the PHY module 118 of the remote device 104 is connected to the connector 116 of the remote device 104.
  • the PHY module 118 interfaces the remote device 104 to the connector 116.
  • the PHY module 118 of the remote device 104 operates in the same manner as the PHY module 112 of the mobile device 102.
  • FIG. 2 the PHY module 112 and the connector 114 of the mobile device 102 are shown in greater detail.
  • the PHY module 118 and the connector 116 of the remote device 104 are identical to the connector 114 of the mobile device 102.
  • the connector 114 of the mobile device includes only two power supply pins Vcc and GND, two transmit pins TX+ and TX-, and two receive pins RX+ and RX-.
  • the PHY module 112 includes a charging module 150, a communication module 152, and a sensing module 154.
  • the communication module 152 includes a transmit module 156 and a receive module 158.
  • the charging module 150 charges the battery 106 of the mobile device 102 using power received from the remote device 104 via the two power supply pins Vcc and GND.
  • the charging module 150 can also supply power from the battery 106 to the remote device 104 via the two power supply pins Vcc and GND.
  • the transmit module 156 transmits data to the remote device 104 via the two transmit pins TX+ and TX- using the PCIe protocol
  • the receive module 158 receives data from the remote device 104 via the two receive pins RX+ and RX- using the PCIe protocol.
  • the mobile device 102 can transmit and receive data to and from the remote device 104 in full duplex mode using the PCIe protocol.
  • the sensing module 154 senses the two power supply pins Vcc and GND to detect when the mobile device 102 is connected to the remote device 104. Additionally, the sensing module 154 senses the two power supply pins Vcc and GND to detect when the mobile device 102 is disconnected from the remote device 104. Accordingly, additional pins are not needed to detect when the mobile device 102 is connected to the remote device 104 and when the mobile device 102 is disconnected from the remote device 104.
  • the transmit module 156 includes an encoder module 160, a parallel-to- serial converter module 162, and a driver module 164.
  • the encoder module 160 encodes data to be transmitted from the mobile device 102 to the remote device 104 using a suitable coding scheme.
  • the encoder module 160 may include an 8-bit- to- 10-bit encoder.
  • the encoder module 160 outputs the encoded data to the parallel-to- serial converter module 162.
  • the parallel-to- serial converter module 162 converts the encoded data from a parallel format to a serial format.
  • the driver module 164 includes differential line drivers that drive the two transmit pins TX+ and TX-. The two transmit pins TX+ and TX- transmit the serial data to the remote device 104.
  • the receive module 158 includes a receiver module 166, a serial-to-parallel converter module 168, and a decoder module 170.
  • the receiver module 166 receives serial data transmitted by the remote device 104 via the two receive pins RX+ and RX-.
  • the serial-to-parallel converter module 168 converts the received data from the serial format to the parallel format.
  • the decoder module 170 decodes the received data.
  • the decoder module 170 may include a 10-bit-to-8-bit decoder.
  • FIGs. 4A-4C non-limiting examples of the connector 114 of the mobile device 102 are shown.
  • the 6 pins of the connector 114 may be arranged in many different ways as shown. Additional arrangements are contemplated. Different arrangements may provide different advantages. For example, one arrangement may be more suitable than others from manufacturing standpoint while another arrangement may be more suitable than others from the standpoint of reducing noise (e.g., echo, crosstalk, etc.) between the 6 pins of the 6-pin connector 114.
  • noise e.g., echo, crosstalk, etc.
  • a 6-conductor cable can be used to connect the mobile device 102 to the remote device 104 via the 6 pins of connectors 114, 116.
  • the 6-conductor cable can have two 6-pin connectors: a first 6-pin connector that resembles the connector 116 of the remote device 104 and a second 6-pin connector that resembles the connector 114 of the mobile device 102.
  • the first 6-pin connector that resembles the connector 116 of the remote device 104 can be plugged into the connector 114 of the mobile device 102.
  • the second 6-pin connector that resembles the connector 114 of the mobile device 102 can be plugged into the connector 116 of the remote device 104.
  • the length of the cable is determined by the electrical properties of the driver module 164, the receiver module 166, and the material used to manufacture the cable.
  • the sensing module 154 can sense when the cable is plugged into the connector 114 of the mobile device 102 and into the connector 116 of the remote device 104. Additionally, the sensing module 154 can sense the cable is unplugged from the connector 114 of the mobile device 102 or from the connector 116 of the remote device 104.
  • the remote device 104 can include a dongle that is attached to the mobile device 102 via the connector 114.
  • a dongle is a hardware device that, when plugged into a computing device, enables a specific copy-protected program to run on the computing device. The program is disabled on the computing device when the hardware device is not plugged into the computing device. The hardware device is effective against software piracy.
  • the dongle can receive power from the battery 106 of the mobile device 102.
  • the dongle can provide additional functionality to an application executed by the mobile device 102.
  • a connector having a reduced pin-count provides many benefits including reduced component count, reduced power consumption, and reduced size.
  • the power consumption of the PHY module 112 is reduced since neither additional pins nor corresponding additional logic is necessary to detect connection and disconnection of the mobile device 102.
  • using the connector 114 also helps in maintaining the compactness of the mobile device 102.
  • using PCIe protocol to communicate with the remote device 104 via the connector 114 allows the mobile device 102 and the remote device 104 to utilize many other PCIe-based hardware and software that have been already developed.
  • module may refer to, be part of, or include an Application Specific Integrated Circuit (ASIC); an electronic circuit; a combinational logic circuit; a field programmable gate array (FPGA); a processor (shared, dedicated, or group) that executes code; other suitable components that provide the described functionality; or a combination of some or all of the above, such as in a system-on-chip.
  • ASIC Application Specific Integrated Circuit
  • FPGA field programmable gate array
  • processor shared, dedicated, or group
  • the term module may include memory (shared, dedicated, or group) that stores code executed by the processor.
  • code may include software, firmware, and/or microcode, and may refer to programs, routines, functions, classes, and/or objects.
  • shared means that some or all code from multiple modules may be executed using a single (shared) processor. In addition, some or all code from multiple modules may be stored by a single (shared) memory.
  • group means that some or all code from a single module may be executed using a group of processors. In addition, some or all code from a single module may be stored using a group of memories.
  • the apparatuses and methods described herein may be implemented by one or more computer programs executed by one or more processors.
  • the computer programs include processor-executable instructions that are stored on a non-transitory tangible computer readable medium.
  • the computer programs may also include stored data.
  • Non-limiting examples of the non-transitory tangible computer readable medium are nonvolatile memory, magnetic storage, and optical storage.

Abstract

L'invention porte sur un premier dispositif qui comprend une pile, un premier connecteur, un module de charge, un module de détection et un module de communication. Le premier connecteur comprend une broche d'alimentation électrique, une broche de masse, deux broches d'émission et deux broches de réception, et connecte le premier dispositif à un second dispositif. Le module de charge reçoit de l'énergie du second dispositif par l'intermédiaire de la broche d'alimentation électrique et de la broche de masse pour charger la pile, et fournit de l'énergie de la pile au second dispositif par l'intermédiaire de la broche d'alimentation électrique et de la broche de masse. Le module de détection détecte la broche d'alimentation électrique et la broche de masse du premier connecteur, et détecte lorsque le premier dispositif (i) se connecte au second dispositif par l'intermédiaire du premier connecteur et (ii) lorsqu'il se déconnecte du second dispositif. Le module de communication communique avec le second dispositif par l'intermédiaire des deux broches d'émission et des deux broches de réception à l'aide d'un protocole PCIe.
PCT/US2011/048937 2010-08-24 2011-08-24 Interface de dispositif et appareil WO2012027452A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN201180040934.2A CN103069404B (zh) 2010-08-24 2011-08-24 设备接口和装置
EP11754788.5A EP2609513A1 (fr) 2010-08-24 2011-08-24 Interface de dispositif et appareil
JP2013526126A JP5812502B2 (ja) 2010-08-24 2011-08-24 デバイスインターフェース及び装置
KR1020137007066A KR101861788B1 (ko) 2010-08-24 2011-08-24 디바이스 인터페이스 및 장치

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US37660910P 2010-08-24 2010-08-24
US61/376,609 2010-08-24
US13/216,491 2011-08-24
US13/216,491 US8860360B2 (en) 2010-08-24 2011-08-24 Device interface and apparatus

Publications (1)

Publication Number Publication Date
WO2012027452A1 true WO2012027452A1 (fr) 2012-03-01

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2011/048937 WO2012027452A1 (fr) 2010-08-24 2011-08-24 Interface de dispositif et appareil

Country Status (6)

Country Link
US (1) US8860360B2 (fr)
EP (1) EP2609513A1 (fr)
JP (1) JP5812502B2 (fr)
KR (1) KR101861788B1 (fr)
CN (1) CN103069404B (fr)
WO (1) WO2012027452A1 (fr)

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Also Published As

Publication number Publication date
CN103069404B (zh) 2016-08-03
CN103069404A (zh) 2013-04-24
JP2013543609A (ja) 2013-12-05
US8860360B2 (en) 2014-10-14
EP2609513A1 (fr) 2013-07-03
KR101861788B1 (ko) 2018-05-28
JP5812502B2 (ja) 2015-11-17
KR20140007323A (ko) 2014-01-17
US20120049789A1 (en) 2012-03-01

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